Employees Scrambled to Keep Robinhood Afloat in January 2021 Meme-Stock Frenzy, House Report Finds

Robinhood Markets struggled to handle huge volumes of stock trading and sparred with its principal customer, market maker Citadel Securities, during the week in January 2021 when meme stocks exploded,...

Billionaire Ken Griffin’s Citadel Securities Valued At $22 Billion After $1.2 Billion Investment From Sequoia, Crypto VC Paradigm

Topline Citadel Securities, the market-maker founded by billionaire hedge fund investor Ken Griffin, announced its first round of private funding ever on Tuesday, taking in nearly $1.2 billion in vent...